13 pieces. Includes: two 1/16-in, one 5/64-in, one 3/32-in, one 7/64-in, two 1/8-in, one 9/64-in, one 5/32-in, one 3/16-in, one 1/4-in, one 5/16-in, one 3/8-in.
Plastic, metal.
The high-speed steel jobber-length drill bits in these sets provide flexibility and absorb shock and vibration. Suitable for use in manual drilling machines and handheld power tools. May leave a rough finish on the hole.